this specific model is calibrated for R22 refrigerant

SPST Normally Open Logic: Optimized for standard safety strings

It provides the mounting structure for the blower motor and wheel

while the standard hose thread outlet allows for rapid evacuation of the vessel

suitable for varied HVACR fluid control environments

Reznor 87001 Regulating Valve 321894-706 this specific model is calibratedThe Reznor 87001 Regulating Valve serves as a critical component for maintaining precise manifold pressure in industrial and commercial gas fired heating systems. Designed for heavy duty applications, this replacement gas valve provides the necessary modulation to ensure stable burner performance and optimal combustion efficiency. As a genuine OEM Reznor part, the 87001 is engineered to meet the stringent tolerances required for Reznor unit heater